SYDNEY, Jan 18 — Ongoing volcanic upheavals are expected to follow the massive eruption off the coast of Tonga on Saturday, according to a leading Australian geologist.

JAKARTA, Dec 5 — At least 13 people died from severe burns while 98 others were injured following the sudden eruption of Mount Semeru in East Java’s Lumajang District on Saturday.

JAKARTA, June 25 —  Mount Merapi, Indonesia's most active volcano emitted ash clouds three times as far as three kilometres to the southeast, with ashes spreading to areas in Yogyakarta, head of the Geological Disaster Technology Research and Development Centre (BPPTKG) Hanik Humaida said Friday.

JAKARTA, March 2 — Mount Sinabung in North Sumatra, Indonesia erupted again early this morning, shooting clouds of smoke and ash as high as 5,000 metres.

JAKARTA, Jan 17 — A volcano in Indonesia's East Java province erupted on Saturday, spewing ash and smoke as high as an estimated 5.6 kilometres into the sky, according to data from the geological agency at the country's energy ministry.

JAKARTA, Nov 30 — A volcano in Indonesia's East Nusa Tenggara province erupted on Sunday, spewing ash and smoke as high as four kilometres into the sky and forcing more than 2,700 residents to seek refuge, the country's disaster mitigation agency said.

JAKARTA, Aug 10 — An Indonesian volcano spewed a giant ash cloud 5 km (3.1 miles) into the sky on Monday in its second eruption in three days, emitting a thunderous noise and turning the sky dark, authorities and witnesses said.

KUALA LUMPUR, June 22 — Malaysia’s air quality is unlikely to be affected by yesterday morning’s double volcanic eruption of Mount Merapi in Yogyakarta, spewing a column of grey ash 6,000-metre into the air.